Connected: An Internet Encyclopedia
RFC 1123 - 1.3.3 Terminology

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### 1.3.3 Terminology

This document uses the following technical terms:

Segment

  A segment is the unit of end-to-end transmission in the TCP protocol. A segment consists of a TCP header followed by application data. A segment is transmitted by encapsulation in an IP datagram.

Message

  This term is used by some application layer protocols (particularly SMTP) for an application data unit.

Datagram

  A [UDP] datagram is the unit of end-to-end transmission in the UDP protocol.

Multihomed

  A host is said to be multihomed if it has multiple IP addresses to connected networks.

Next: 1.4 Acknowledgments

Connected: An Internet Encyclopedia
RFC 1123 - 1.3.3 Terminology